======================================
| [  128.744696][  T694] ==================================================================
| [  128.745067][  T694] BUG: KASAN: null-ptr-deref in try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
| [  128.745398][  T694] Write of size 8 at addr 0000000000000000 by task ip/694
| [  128.745658][  T694]
[  128.745793][  T694] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  128.745795][  T694] Call Trace:
[  128.745798][  T694]  <TASK>
[  128.745800][  T694]  dump_stack_lvl (lib/dump_stack.c:123)
[  128.745809][  T694]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[  128.745823][  T694]  kasan_report (mm/kasan/report.c:597)
[  128.745830][  T694]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[  128.745835][  T694]  kasan_check_range (mm/kasan/generic.c:194 mm/kasan/generic.c:200)
[  128.745839][  T694]  try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[  128.745845][  T694]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[  128.745848][  T694]  ? enable_delayed_work (kernel/workqueue.c:4359)
[  128.745852][  T694]  ? queue_delayed_work_on (kernel/workqueue.c:2590)
[  128.745856][  T694]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  128.745862][  T694]  __cancel_work_sync (kernel/workqueue.c:4383)
[  128.745867][  T694]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[  128.745875][  T694]  ? netdev_notify_peers (net/core/dev.c:1891)
[  128.745879][  T694]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[  128.745885][  T694]  __dev_change_flags (./include/linux/list.h:119 ./include/linux/list.h:223 ./include/linux/list.h:237 net/core/dev.c:1945 net/core/dev.c:9924)
[  128.745888][  T694]  ? __free_zapped_classes (kernel/locking/lockdep.c:5343)
[  128.745894][  T694]  ? netif_set_allmulti (net/core/dev.c:9890)
[  128.745897][  T694]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  128.745903][  T694]  netif_change_flags (net/core/dev.c:9989)
[  128.745907][  T694]  do_setlink.constprop.0 (net/core/rtnetlink.c:3158)
[  128.745913][  T694]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[  128.745919][  T694]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  128.745928][  T694]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[  128.745935][  T694]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  128.745943][  T694]  ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113)
[  128.745948][  T694]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[  128.745951][  T694]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  128.745956][  T694]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  128.745959][  T694]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[  128.745962][  T694]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[  128.745967][  T694]  ? __create_object (mm/kmemleak.c:786)
[  128.745970][  T694]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  128.745974][  T694]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[  128.745977][  T694]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[  128.745980][  T694]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[  128.745985][  T694]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[  128.745991][  T694]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[  128.745996][  T694]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[  128.745998][  T694]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  128.746004][  T694]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  128.746008][  T694]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[  128.746011][  T694]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  128.746015][  T694]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[  128.746018][  T694]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[  128.746022][  T694]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[  128.746024][  T694]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  128.746031][  T694]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[  128.746037][  T694]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[  128.746040][  T694]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[  128.746047][  T694]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[  128.746050][  T694]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333)
[  128.746054][  T694]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[  128.746059][  T694]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[  128.746063][  T694]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  128.746068][  T694]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[  128.746073][  T694]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[  128.746077][  T694]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[  128.746084][  T694]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[  128.746088][  T694]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[  128.746094][  T694]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[  128.746098][  T694]  ? __copy_msghdr (net/socket.c:2556)
[  128.746105][  T694]  ___sys_sendmsg (net/socket.c:2686)
[  128.746108][  T694]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[  128.746111][  T694]  ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3125)
[  128.746117][  T694]  ? copy_msghdr_from_user (net/socket.c:2673)
[  128.746122][  T694]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  128.746127][  T694]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  128.746133][  T694]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  128.746136][  T694]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[  128.746142][  T694]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  128.746148][  T694]  __sys_sendmsg (net/socket.c:2716)
[  128.746151][  T694]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[  128.746155][  T694]  ? __sys_sendmsg_sock (net/socket.c:2701)
[  128.746163][  T694]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  128.746166][  T694]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  128.746172][  T694]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[  128.746177][  T694] RIP: 0033:0x7f7288a671d7
[  128.746181][  T694] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  128.746184][  T694] RSP: 002b:00007fff91759e88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  128.746189][  T694] RAX: ffffffffffffffda RBX: 00007fff9175a5b0 RCX: 00007f7288a671d7
[  128.746191][  T694] RDX: 0000000000000000 RSI: 00007fff91759ef0 RDI: 0000000000000005
[  128.746193][  T694] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  128.746194][  T694] R10: 00007f7288963f60 R11: 0000000000000246 R12: 0000000000000003
[  128.746196][  T694] R13: 00000000691cd606 R14: 0000000000499600 R15: 0000000000000000
| [  128.766391][  T694] #PF: error_code(0x0002) - not-present page
| [  128.766627][  T694] PGD c2e3067 P4D c2e3067 PUD 89b4067 PMD 0
| [  128.766873][  T694] Oops: Oops: 0002 [#1] SMP KASAN
| [  128.767491][  T694] Tainted: [B]=BAD_PAGE
[  128.767641][  T694] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  128.767888][  T694] RIP: 0010:try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[  128.768147][  T694] Code: 00 41 89 c0 b8 01 00 00 00 45 85 c0 74 0f 48 83 c4 10 5b 5d 41 5c 41 5d 41 5e 41 5f c3 be 08 00 00 00 48 89 df e8 7f 7f 81 00 <f0> 48 0f ba 2b 00 72 11 48 83 c4 10 31 c0 5b 5d 41 5c 41 5d 41 5e
All code
========
   0:	00 41 89             	add    %al,-0x77(%rcx)
   3:	c0 b8 01 00 00 00 45 	sarb   $0x45,0x1(%rax)
   a:	85 c0                	test   %eax,%eax
   c:	74 0f                	je     0x1d
   e:	48 83 c4 10          	add    $0x10,%rsp
  12:	5b                   	pop    %rbx
  13:	5d                   	pop    %rbp
  14:	41 5c                	pop    %r12
  16:	41 5d                	pop    %r13
  18:	41 5e                	pop    %r14
  1a:	41 5f                	pop    %r15
  1c:	c3                   	ret
  1d:	be 08 00 00 00       	mov    $0x8,%esi
  22:	48 89 df             	mov    %rbx,%rdi
  25:	e8 7f 7f 81 00       	call   0x817fa9
  2a:*	f0 48 0f ba 2b 00    	lock btsq $0x0,(%rbx)		<-- trapping instruction
  30:	72 11                	jb     0x43
  32:	48 83 c4 10          	add    $0x10,%rsp
  36:	31 c0                	xor    %eax,%eax
  38:	5b                   	pop    %rbx
  39:	5d                   	pop    %rbp
  3a:	41 5c                	pop    %r12
  3c:	41 5d                	pop    %r13
  3e:	41 5e                	pop    %r14

Code starting with the faulting instruction
===========================================
   0:	f0 48 0f ba 2b 00    	lock btsq $0x0,(%rbx)
   6:	72 11                	jb     0x19
   8:	48 83 c4 10          	add    $0x10,%rsp
   c:	31 c0                	xor    %eax,%eax
   e:	5b                   	pop    %rbx
   f:	5d                   	pop    %rbp
  10:	41 5c                	pop    %r12
  12:	41 5d                	pop    %r13
  14:	41 5e                	pop    %r14
[  128.768884][  T694] RSP: 0018:ffffc90000a76f40 EFLAGS: 00010046
[  128.769133][  T694] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8704090a
[  128.769440][  T694] RDX: fffffbfff164f2cd RSI: 0000000000000008 RDI: ffffffff8b279660
[  128.769735][  T694] RBP: ffffc90000a76fa8 R08: 0000000000000001 R09: fffffbfff164f2cc
[  128.770026][  T694] R10: ffffffff8b279667 R11: ffffc90000a76a00 R12: 0000000000000000
[  128.770336][  T694] R13: 0000000000000282 R14: ffff88800c71c000 R15: dffffc0000000000
[  128.770628][  T694] FS:  00007f7288899800(0000) GS:ffff8880ab172000(0000) knlGS:0000000000000000
[  128.770965][  T694] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  128.771207][  T694] CR2: 0000000000000000 CR3: 000000000b99f002 CR4: 0000000000772ef0
[  128.771527][  T694] PKRU: 55555554
[  128.771677][  T694] Call Trace:
[  128.771826][  T694]  <TASK>
[  128.771929][  T694]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[  128.772131][  T694]  ? enable_delayed_work (kernel/workqueue.c:4359)
[  128.772335][  T694]  ? queue_delayed_work_on (kernel/workqueue.c:2590)
[  128.772541][  T694]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  128.772748][  T694]  __cancel_work_sync (kernel/workqueue.c:4383)
[  128.772942][  T694]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[  128.773141][  T694]  ? netdev_notify_peers (net/core/dev.c:1891)
[  128.773333][  T694]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[  128.773541][  T694]  __dev_change_flags (./include/linux/list.h:119 ./include/linux/list.h:223 ./include/linux/list.h:237 net/core/dev.c:1945 net/core/dev.c:9924)
[  128.773731][  T694]  ? __free_zapped_classes (kernel/locking/lockdep.c:5343)
[  128.773926][  T694]  ? netif_set_allmulti (net/core/dev.c:9890)
[  128.774127][  T694]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  128.774322][  T694]  netif_change_flags (net/core/dev.c:9989)
[  128.774549][  T694]  do_setlink.constprop.0 (net/core/rtnetlink.c:3158)
[  128.774750][  T694]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[  128.774940][  T694]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  128.775136][  T694]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[  128.775335][  T694]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  128.775550][  T694]  ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113)
[  128.775738][  T694]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[  128.775946][  T694]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  128.776141][  T694]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  128.776333][  T694]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[  128.776538][  T694]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[  128.776740][  T694]  ? __create_object (mm/kmemleak.c:786)
[  128.776935][  T694]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  128.777133][  T694]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[  128.777332][  T694]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[  128.777542][  T694]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[  128.777736][  T694]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[  128.777936][  T694]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[  128.778133][  T694]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[  128.778323][  T694]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  128.778535][  T694]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  128.778731][  T694]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[  128.778921][  T694]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  128.779117][  T694]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[  128.779309][  T694]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[  128.779507][  T694]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[  128.779696][  T694]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  128.779893][  T694]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[  128.780089][  T694]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[  128.780293][  T694]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[  128.780492][  T694]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[  128.780711][  T694]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333)
[  128.780913][  T694]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[  128.781110][  T694]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[  128.781309][  T694]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  128.781503][  T694]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[  128.781719][  T694]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[  128.781908][  T694]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[  128.782107][  T694]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[  128.782302][  T694]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[  128.782502][  T694]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[  128.782760][  T694]  ? __copy_msghdr (net/socket.c:2556)
[  128.782956][  T694]  ___sys_sendmsg (net/socket.c:2686)
[  128.783151][  T694]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[  128.783360][  T694]  ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3125)
[  128.783616][  T694]  ? copy_msghdr_from_user (net/socket.c:2673)
[  128.783813][  T694]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  128.784006][  T694]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  128.784201][  T694]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  128.784395][  T694]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[  128.784595][  T694]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  128.784808][  T694]  __sys_sendmsg (net/socket.c:2716)
[  128.785001][  T694]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[  128.785249][  T694]  ? __sys_sendmsg_sock (net/socket.c:2701)
[  128.785449][  T694]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  128.785658][  T694]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  128.785874][  T694]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[  128.786114][  T694] RIP: 0033:0x7f7288a671d7
[  128.786328][  T694] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  128.787061][  T694] RSP: 002b:00007fff91759e88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  128.787367][  T694] RAX: ffffffffffffffda RBX: 00007fff9175a5b0 RCX: 00007f7288a671d7
[  128.787659][  T694] RDX: 0000000000000000 RSI: 00007fff91759ef0 RDI: 0000000000000005
[  128.787965][  T694] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  128.788264][  T694] R10: 00007f7288963f60 R11: 0000000000000246 R12: 0000000000000003


Finger prints:
try_to_grab_pending:__cancel_work:__cancel_work_sync:__dev_close_many:__dev_change_flags
kasan_report:kasan_check_range:try_to_grab_pending:__cancel_work:__cancel_work_sync